Mesa (master): r300g: simplify allocations of FS input registers
Corbin Simpson
csimpson at kemper.freedesktop.org
Tue Dec 1 09:28:29 UTC 2009
Module: Mesa
Branch: master
Commit: f55c088f89eeaa6d16480f5f373887c6a2965e21
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f55c088f89eeaa6d16480f5f373887c6a2965e21
Author: Marek Olšák <maraeo at gmail.com>
Date: Fri Nov 27 06:36:31 2009 +0100
r300g: simplify allocations of FS input registers
---
src/gallium/drivers/r300/r300_fs.c | 43 ++++++++++++-----------------------
1 files changed, 15 insertions(+), 28 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c
index 9cc833e..79b01bb 100644
--- a/src/gallium/drivers/r300/r300_fs.c
+++ b/src/gallium/drivers/r300/r300_fs.c
@@ -66,6 +66,7 @@ static void r300_shader_read_fs_inputs(struct tgsi_shader_info* info,
}
}
+
static void find_output_registers(struct r300_fragment_program_compiler * compiler,
struct r300_fragment_shader * fs)
{
@@ -93,38 +94,24 @@ static void allocate_hardware_inputs(
void (*allocate)(void * data, unsigned input, unsigned hwreg),
void * mydata)
{
- struct tgsi_shader_info* info = &((struct r300_fragment_shader*)c->UserData)->info;
- int total_colors = 0;
- int colors = 0;
- int total_generic = 0;
- int generic = 0;
- int i;
-
- for (i = 0; i < info->num_inputs; i++) {
- switch (info->input_semantic_name[i]) {
- case TGSI_SEMANTIC_COLOR:
- total_colors++;
- break;
- case TGSI_SEMANTIC_FOG:
- case TGSI_SEMANTIC_GENERIC:
- total_generic++;
- break;
+ struct r300_shader_semantics* inputs =
+ &((struct r300_fragment_shader*)c->UserData)->inputs;
+ int i, reg = 0;
+
+ /* Allocate input registers. */
+ for (i = 0; i < ATTR_COLOR_COUNT; i++) {
+ if (inputs->color[i] != ATTR_UNUSED) {
+ allocate(mydata, inputs->color[i], reg++);
}
}
-
- for(i = 0; i < info->num_inputs; i++) {
- switch (info->input_semantic_name[i]) {
- case TGSI_SEMANTIC_COLOR:
- allocate(mydata, i, colors);
- colors++;
- break;
- case TGSI_SEMANTIC_FOG:
- case TGSI_SEMANTIC_GENERIC:
- allocate(mydata, i, total_colors + generic);
- generic++;
- break;
+ for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
+ if (inputs->generic[i] != ATTR_UNUSED) {
+ allocate(mydata, inputs->generic[i], reg++);
}
}
+ if (inputs->fog != ATTR_UNUSED) {
+ allocate(mydata, inputs->fog, reg++);
+ }
}
void r300_translate_fragment_shader(struct r300_context* r300,
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